Miranda Cosgrove, 20, who first broke out in the comedy musical and later moved on to Disney's iCarly in 2007, posted a reunion photo via Instagram while the cast attended an anniversary event for the film.

Jack Black and his young co-stars filming The School of Rock in 2003.Credit: Paramount/courtesy Everett Collection

The big get together -- presented by the Austin Film Society and Cirrus Logic -- escorted the cast downtown, where they greeted fans on a red carpet and took part in a screening and Q&A. The cast even reunited on stage for a live performance during an after party.